Middle school students should be given enough sleeping time,　 __________they are busy preparing for all kinds of exams.

A. even so　 B. as though

C. as if　　　　 D. even if

I think I was at school, 　　 I was staying with a friend during the vacation when I heard the news.

A. even so　　　 B. and then　　　　 C. so that　　　　 D. or else

Your uncle seems to be a good driver；　 ，I wouldn’t dare to travel in his car.

A.even so　　　　　 B.even though?　　　　　　 C.therefore　　　　 D.so

I think I was at school, 　　 I was staying with a friend during the vacation when I heard the news.

A. even so　　　 B. and then　　　　　 C. so that　　　　 D. or else